A student traces the path of a ray of light through a rectangular glass slab for the different values of angle of incidence. He observes all possible precautions at each step of the experiment. At the end of the experiment, on analysing the measurements, which of the following conclusions is he likely to draw ?
$(a) ∠ i = ∠ e < ∠ r (b) ∠ i < ∠ e < ∠ r (c) ∠ i > ∠ e < ∠ r (d) ∠ i = ∠ e > ∠ r$

Open in App

Solution

(d) $∠ i = ∠ e > ∠ r$

Suggest Corrections

Similar questions

Q. After tracing the path of rays of light through a glass slab for three different angles of incidence, a student measured the corresponding values angle of refraction r and angle of emergence e and recorded them in the table given below :

\begin{matrix} S . N O & ∠ i & ∠ r & ∠ e I & 30^{\circ} & 20^{\circ} & 31^{\circ} I I & 40^{\circ} & 25^{\circ} & 40^{\circ} I I I & 50^{\circ} & 31^{\circ} & 49^{\circ} \end{matrix}

Q. A student traces the path of a ray of light through a rectangular glass slab for the different values of angle of incidence. He observes all possible precautions at each step of the experiment. At the end of the experiment, on analyzing the measurements, which of the following conclusions is he likely to draw?

Q. In the triangle ABC,

1) ∠ 6 = ∠ A + ∠ B 2) ∠ 5 = ∠ A + ∠ B

Q. An

α -

particle experiences the following force due to a nucleus

(k > 0)

\begin{matrix} \to F = \frac{k}{r^{2}} & i f & r > R = \frac{- K}{R^{3}} \to r & i f & r < R \end{matrix}

The correct potential energy diagram for the above force is

Question 21
In which of the following cases, a unique triangle can be drawn?
a) AB = 4 cm, BC = 8 cm and CA = 2 cm
b) BC = 5.2 cm, \angle B = 90^\circ and \angle C = 110^\circ
c) XY = 5 cm, \angle X = 45^\circ and \angle Y = 60^\circ
d) An isosceles triangle with the length of each equal side 6.2 cm

Join BYJU'S Learning Program

(d) ∠i=∠e>∠r

(d) $∠ i = ∠ e > ∠ r$